<!DOCTYPE html>
<style>
#parent1 { color: red; }

#target1 
{ 
	all: inherit;
	color: green; 
}

#parent2 { color: red; }

#target2 
{ 
	all: unset; 
	color: #90EE90;
}
</style>
<div id='parent1'>
	<div id='target1'>Testing target1 color -> should be green</div>
</div>

<div id='parent2'>
	<div id='target2'>Testing target2 color -> should be light green</div>
</div>